75450120 has 64 divisors (see below), whose sum is σ = 236200320. Its totient is φ = 19244544.

The previous prime is 75450119. The next prime is 75450161. The reversal of 75450120 is 2105457.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10909 + ... + 16428.

It is an arithmetic number, because the mean of its divisors is an integer number (3690630).

Almost surely, 2^75450120 is an apocalyptic number.

It is an amenable number.

75450120 is an abundant number, since it is smaller than the sum of its proper divisors (160750200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75450120 is a wasteful number, since it uses less digits than its factorization.

75450120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27374 (or 27370 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 75450120 is about 8686.2028528005. The cubic root of 75450120 is about 422.5583080714.

Adding to 75450120 its reverse (2105457), we get a palindrome (77555577).

The spelling of 75450120 in words is "seventy-five million, four hundred fifty thousand, one hundred twenty".